import isnumber from "./isnumber";
import { ERRORTYPES as error } from "./error";Copyright 2015-2021 JC Fisher
import isnumber from "./isnumber";
import { ERRORTYPES as error } from "./error";COS returns the cosine of a value.
export default function cos(value) {Return #VALUE! when value is not a number.
if (!isnumber(value)) {
return error.value;
}
return Math.cos(value);
}